Robert, On Sun, 30 Jan 2005 22:13:40 -0700, Robert Rolf wrote: > In my application I have a half dozen interrupts going at > once, so I have to poll the receive flag multiple places > in the ISR to ensure I don't miss any characters. Out of interest: do you re-check all the interrupt flags just before the RETFIE and loop back if any are now set (to catch any that happened while you were in the ISR but after you'd passed their check), or do you just let another interrupt happen? Cheers, Howard Winter St.Albans, England -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist